The AEPHT-12 from Microwave Vision Group is a Microwave Absorber with Absorption 14 to 35 dB, Frequency 20 MHz to 40 GHz, Thickness 12 Inch/304.8 mm, Thickness 12 Inch, Thickness (mm) 304.8 mm. Tags: Pyramid, EMC Absorber. More details for AEPHT-12 can be seen below.